Evaluation of Possibility of AISI 304 Stainless Steel Mechanical Surface Treatment with Ultrasonically Enhanced Pulsating Water Jet

被引：2

作者：

Lehocka, Dominika ^{[1
,2
]}

Simkulet, Vladimir ^{[1
]}

Klich, Jiri ^{[2
]}

Storkan, Zdenek ^{[3
]}

Krejci, Lucie ^{[3
]}

Kepic, Jan ^{[4
]}

Bircak, Jaroslav ^{[1
]}

机构：

[1] Tech Univ Kosice, Fac Mfg Technol A Seat Presov, Bayerova 1, Presov 08001, Slovakia

[2] Czech Acad Sci, Inst Geon, Studentska 1768, Ostrava 70800, Czech Republic

[3] VSB Tech Univ Ostrava, Fac Mech Engn, 17 Listopadu 15, Ostrava, Czech Republic

[4] UMV SAV, Slovak Acad Sci, Inst Mat Res, Watsonova 47, Kosice 04353, Slovakia

来源：

ADVANCES IN MANUFACTURING ENGINEERING AND MATERIALS, ICMEM 2018 | 2019年

关键词：

Ultrasonic; Pulsating water jet; Surface topography; Microstructure; Stainless steel; CORROSION BEHAVIOR; STAINLESS-STEEL; EROSION; IMPACT; DISINTEGRATION; CW614N; COPPER;

D O I：

10.1007/978-3-319-99353-9_18

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Experimental study described in this article is focused on evaluation of dynamic effect of PWJ on disintegration efficiency on AISI 304 stainless steel surface. AISI 304 stainless steel was disintegrated with circular nozzle diameter 1.19 mm, pressure 70 MPa, frequency 20.25 kHz and traverse speed 100 mm.s(-1) (202 impacts per millimeter). Disintegration efficiency was evaluated based on surface and subsurface characteristics. Surface characteristics were evaluated based on surface topography and roughness parameters Ra [mu m], Rz [mu m], Rp [mu m] and Rv [mu m] comparison of disintegrated and non-affected area. Subsurface changes in material structure were described based on metallographic analysis and hardness measurement HV0.2 under the eroded area. The results of the disintegration efficiency evaluation of AISI 304 stainless steel surface show that was no massive erosion of material. Surface quality was slightly changed. Small microscopic craters were predominantly created on surface. Craters were characterized with predominant pitting mechanism and prevails fracture mechanism of material removal.

引用

页码：163 / 172

页数：10

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